One Piece Episode 686
Episode 686 adapts chapters 749–750.
A Shocking Confession! Law's Soul-burning Vow! · Dressrosa arc
Anime
- Episode 686A Shocking Confession! Law's Soul-burning Vow!
Manga chapters
One Pace
- Onward!! Army of RoguesCovers chapters 748–749
- The State of the WarCovers chapters 750–751
The details
Episode 686 adapts chapters 749–750. Adapting several chapters into one episode is why the anime slowly gains on the manga in raw numbers even while falling further behind in story.